<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>规范</title>
</head>
<body>
	<script type="text/javascript">
		// return arr.map(x => x.toLowerCase().replace(/( |^)[a-z]/g, (L) => L.toUpperCase()));


		
	</script>
</body>
</html>